The Gallery holds the most extensive collection of portraits in the world. Search over 215,000 works, 150,000 of which are illustrated from the 16th Century to the present day.

Calotype

A process for making paper negatives discovered in 1840 by W.H. Fox Talbot. As the first process that involved both a negative and a positive, it was the forerunner of today's photographic processes. High quality writing paper was sensitized with potassium iodide and silver nitrate solutions and exposed in the camera. The paper negative was processed, then printed onto salted paper. A feature of prints made from calotype negatives is the lack of clarity in the details and a mottling of tones, caused by the fibres in the paper showing through.

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Sir David Brewster
by David Octavius Hill, and Robert Adamson
1843
NPG P6(10)

George Combe
by David Octavius Hill, and Robert Adamson
1843
NPG P6(87)

Fisher Lassie and Child
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(201)

John Henning
by David Octavius Hill, and Robert Adamson
1843-1848
NPG x18788

David Octavius Hill
by David Octavius Hill, and Robert Adamson
circa 1843
NPG P6(1)

Anna Brownell Jameson (née Murphy)
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(112)

Sandy Linton, his boat and his bairns
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(199)

Elizabeth Logan
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(172)

Mr Moir; John Gibson
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(154)

Robert Stephen Rintoul
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(79)

Anne Rigby (née Palgrave); Elizabeth, Lady Eastlake (née Rigby)
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(134)

Elizabeth (née Rigby), Lady Eastlake
by David Octavius Hill, and Robert Adamson
1843-1848
NPG P6(124)

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